M.N. Haque, A. B.M. M. Islam, A.K.F.H. Bhuiyan, S. A. Aziz and M.G. Kibria
Pakistan Journal of Biological Sciences 4 ( 11 ): 1418 - 1420 , 2001
M. S. U. Talukder, M.N. Haque, M.I. Hossain, S. A. Aziz and M. R. Rahman
Pakistan Journal of Biological Sciences 4 ( 11 ): 1421 - 1424 , 2001